please solve fastly
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Answer:
5^8 x b^7/ 25³ x b⁴
=> 5^ 8 x b^7/ ( 5x5) ³ x b⁴
=> 5 ^ 8 x b^ 7/ 5³ x 5³ x b ⁴
=> 5^8-3 x b^ 7-4 / 5³
=> 5^5 x b³ / 5³
=> 5^ 5 -3 x b³
=> 5² x b³ is the answer.
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